Home / 13,558.95-18,710.46-7,589.61

Finding the Fourth Proportional to 13,558.95, 18,710.46 and 7,589.61

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Solution

The fourth proportional to 13,558.95, 18,710.46 and 7,589.61 is: 10,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.95 : 18,710.46 = 7,589.61 : x
  2. Step 2: Convert to fraction form
    13,558.95/18,710.46 = 7,589.61/x
  3. Step 3: Cross multiply
    13,558.95x = 18,710.46 × 7,589.61
  4. Step 4: Simplify right side
    13,558.95x = 142,005,094.32
  5. Step 5: Solve for x
    x = 142,005,094.32/13,558.95
  6. Step 6: Final answer
    x = 10,473.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.